TREA

Rintaro Takahashi

Follow

Person

  • Tokorozawa-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    LED lamp
    • Patent number 9,574,756
    • Issue date Feb 21, 2017
    • Citizen Watch Co., Ltd.
    • Takashi Akiyama
    • F21 - LIGHTING
  • Information Patent Grant

    LED lighting apparatus
    • Patent number 9,485,830
    • Issue date Nov 1, 2016
    • Citizen Holdings Co., Ltd.
    • Keisuke Sakai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    LED lighting device
    • Patent number 9,380,657
    • Issue date Jun 28, 2016
    • Citizen Holdings Co., Ltd.
    • Takashi Akiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    LED drive circuit
    • Patent number 8,547,027
    • Issue date Oct 1, 2013
    • Citizen Holdings Co., Ltd.
    • Takashi Akiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    LED LAMP
    • Publication number 20160265727
    • Publication date Sep 15, 2016
    • CITIZEN HOLDINGS CO., LTD.
    • Takashi Akiyama
    • F21 - LIGHTING
  • Information Patent Application

    LED LIGHTING DEVICE
    • Publication number 20140361695
    • Publication date Dec 11, 2014
    • Takashi Akiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED LIGHTING APPARATUS
    • Publication number 20140197741
    • Publication date Jul 17, 2014
    • Citizen Electronics Co., Ltd.
    • Keisuke Sakai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED DRIVE CIRCUIT
    • Publication number 20120068616
    • Publication date Mar 22, 2012
    • Takashi Akiyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR